CN102089110B - Stud for stud welding - Google Patents
Stud for stud welding Download PDFInfo
- Publication number
- CN102089110B CN102089110B CN200980126350.XA CN200980126350A CN102089110B CN 102089110 B CN102089110 B CN 102089110B CN 200980126350 A CN200980126350 A CN 200980126350A CN 102089110 B CN102089110 B CN 102089110B
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- double
- screw bolt
- workpiece
- flange
- head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
- B23K9/207—Features related to studs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Forging (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to a stud (10) for stud welding, having a shank (12), having an axially adjoining flange (14) which projects radially relative to the shank (12) and whose outer circumference is of polygonal design in order to be able to apply a test torque (T) to the stud (10) by means of a tool (40), and having an annular section (16) which axially adjoins the flange (14) and whose front, radially extending annular surface (19) is designed as a welding surface which is to be welded to a workpiece (32), wherein the annular section (16) directly adjoins the flange (14), and the annular section (16) and the flange (14) form a head section (20) which has a uniform outside diameter (D) throughout, and wherein the polygonal shape (22) of the flange (14) extends over the annular section (16) up to its front annular surface (19).
Description
The cross reference of related application
The application requires the rights and interests of the German application No.102008033373.5 of submission on July 9th, 2008, and its open combination by reference therewith.
Technical field
The present invention relates to the double-screw bolt for stud welding, it comprises: screw rod; Axial adpting flange, it is radially outstanding with respect to screw rod; And annular section, its axial adpting flange, it is the face of weld that is welded to workpiece that annular surface design is radially extended in its front portion.
Background technology
The invention still further relates to workpiece and stud welding are arrived to the fixed and arranged of workpiece, and relate to the purposes that welding screw arrives workpiece to method and such stud welding of workpiece.
The present invention generally with stud welding domain-specific.Wherein, this welding procedure has great utility in automobile technical field.In the case, body sheet is arrived in stud welding, and is used as the anchor of plastics retaining element (clip), fascia etc.
Trend is in recent years the thickness that reduces body sheet, to reduce for example weight of automobile.Stud welding is made to manufacture the difficulty that becomes to the body sheet of attenuation day by day.As convention, double-screw bolt has the face of weld of conical tip.In order to fuse this surface in stud welding, need relatively high energy input.This may cause body sheet " to burn ".
Therefore,, at file US-A-3, in 671,710, proposed to there is groove and be designed for the welding screw of capacitor discharge welding.In the case, together with the overall diameter of groove and double-screw bolt, form annular flange.This tends to improve the uniformity in molten bath.
File DE 19611711A1 discloses the soldered elements with annular flange structure.This annular flange has the surplus narrowing down on cross section, thereby approximately linear edge obtains at the front end of double-screw bolt.Welding edge is set on workpiece downwards.Then, retract double-screw bolt to form arc.Finally, double-screw bolt pushes in whole molten baths.All form the approximately pad of annular, and form cavity between this double-screw bolt of the inside of this annular welds contact and workpiece.The structure 2 that it should be noted in the discussion above that double-screw bolt allows double-screw bolt to be welded on the sheet of relative thin by arcing technique.
Finally, file WO 2004/033923A1 discloses stud welding and has arrived the retaining element on sheet (particularly intermediate plate).Double-screw bolt has the region as predetermined breakdown point, to realize the failure scenarios limiting.Nut is screwed on double-screw bolt, and the intensity of double-screw bolt is suitable for the intensity of nut, thereby first nut destroys before double-screw bolt destroys.If nut does not destroy, before double-screw bolt tears sheet, double-screw bolt destroys.
In other words, when in fact plastics retaining element etc. is placed on double-screw bolt, until also do not apply moment of torsion to double-screw bolt between erecting stage.If now affect the fault of double-screw bolt and/or sheet because of certain reason, occur, relatively costly reforming is necessary.This be because, now, sheet is painted according to convention, therefore, the reparation of pad and double-screw bolt again apply the complicated subsequent treatment that needs body sheet surface.
The annular section that the double-screw bolt adopting has screw rod, flange section and axially connects, flange section and the annular section axially connecting form head together.The ratio of the axial length of the axial length of annular section and head (being formed by flange and annular section) is for being less than 50%, particularly in 25% to 35% scope.In this application, considerable is other size or the dimensional ratios that also relates to head.The outer dia of head is designed to rough in the case.
Be directed to background above, target of the present invention is to define cost-benefit double-screw bolt, improve fixing layout and improve welding screw to the method on workpiece, wherein workpiece has very little thickness, and wherein can avoid in the situation that being welded to connect failure, having to carry out the expensive situation of reforming.
Summary of the invention
First this target realizes by the double-screw bolt for stud welding, and this double-screw bolt comprises: screw rod; Axial adpting flange, it is radially outstanding with respect to screw rod, and its exterior circumferential is polygon design, to can apply test torque to this double-screw bolt by means of instrument; And annular section, it is adpting flange axially, and it is the face of weld that is welded to workpiece that annular surface design is radially extended in its front portion, wherein this annular section directly connects this flange, and this annular section forms and has all heads of consistent outer dia with this flange, and wherein the polygonal shape of this flange extends on annular section, until its forward annular surface.
Above-mentioned target also realizes by fixed and arranged, and this fixed and arranged has workpiece and type is the double-screw bolt that is welded to this workpiece according to the present invention, and wherein this workpiece has the thickness that is less than 1mm, is particularly less than the thickness of 0.8mm.
Above-mentioned target also by welding screw to workpiece and detect this method that is welded to connect intensity and realize, the method comprises the steps:
-double-screw bolt of the type according to the present invention is provided;
-weld this double-screw bolt to this workpiece, particularly by arcing stud welding (drawn-arc stud welding); And
-fastening means arrives the head of this double-screw bolt, and applies predetermined moment of torsion to this double-screw bolt, to detect the intensity that this is welded to connect.
Finally, by stud welding according to the present invention, the purposes to workpiece realizes above-mentioned target, and the thickness of this workpiece is less than 1mm, is particularly less than 0.8mm.
Double-screw bolt according to the present invention is particularly suitable for being welded on very thin workpiece, for example thin body sheet.Tend in recent years adopt the thickness of sheet to be less than 1mm, be particularly less than 0.8mm, or 0.6mm and less even.Due to annular section and the design that forms the face of weld of annular surface, welding may be carried out in the situation that input energy is relatively little, thereby reduces the risk of burning of sheet.Due to the design of the polygonal shape on the outer dia of head, so can detect the intensity being welded to connect.This preferably carries out during white states at body, in other words, for example, in stud welding, after workpiece, carries out immediately.Therefore, be welded to connect can be in Best Times reparation for any possible defect.It is unnecessary at assembling stage, must carrying out that costliness in reparation situation reforms.In addition, surprisedly find, although be whole polygonal shapes (extending on annular section until anterior annular surface), during forming arc, substantially do not cause shortcoming.In addition,, owing to being all polygonal shape on head, can cost-effectively produce double-screw bolt.
Therefore, realized this target completely.
Especially preferred, double-screw bolt is made by a metal, particularly steel.
Yet double-screw bolt also can be manufactured by other metal conventionally, for example, aluminium.
In addition, advantageously, double-screw bolt is produced by process for cold stamping shaping, particularly with little stamping forming one-phase explained hereafter.This shape that makes double-screw bolt is relatively simply to design, and polygonal shape extends in the whole exterior circumferential of head.The in the situation that of large flange stud, also can adopt multistage punch forming process.Even, the in the situation that of multistage process, polygonal shape also can produce by punch forming.For example, this can be undertaken by being inverted large flange and chamfering.Then, other pressing the stage, adopt tool of compression to form final shape.
Screw rod can be cylinder design, but preferably has screw thread.Screw thread can be metric thread, but coarse thread particularly.
Polygonal shape is preferably octagon-shaped.
In this embodiment, double-screw bolt can cost-effectively be produced.In addition, can adopt fairly simple instrument, to test torque is applied on the double-screw bolt having welded.Yet polygonal shape can be also hexagonal shape or other polygonal shape.In addition, word " polygonal shape " also means in the case and refers to that exterior circumferential is dentation, or has and round-shaped other different shape.
Especially preferred, the ratio of the axial length of head and the outer dia of head in 1/7 to 3/4 scope, the in the situation that of standard double-screw bolt particularly in 1/3 to 3/4 scope, or the in the situation that of large flange stud in 1/6 to 1/2 scope.
Like this, the axial length of head can be designed as relatively large, thereby relatively simply connects for applying the instrument of test torque.
According to another preferred embodiment, the ratio of the axial length of flange and the axial length of head is in 3/10 to 5/10 scope.
Like this, annular section can be designed as relatively long with respect to flange.Therefore, the first, can weight reduction.The second, head can have smaller axial length generally, thereby obtains low generally height.
This is specially adapted to, and the ratio of the axial length of flange and the axial length of head is less than 5/10.
The in the situation that of large flange stud, the ratio of the axial length of flange and the axial length of head is significantly lower than 5/10.
In the situation that there is the double-screw bolt of large flange diameter, advantageously provide the site of automatically carrying out welded and installed and assembling (be threaded or be fixedly connected with).Described site provides on the screw rod end face relative with head, and has the small diameter that is less than screw rod.
In addition, large flange stud also can be provided as and working of plastics (plastic nut, plastic components etc.) or metalwork (top cover nut, for flange nut or the metal parts of grounding screw rod) prepackage, and automatically or manual welding.
Therefore, above-mentioned feature and the feature that will illustrate below not only can be used in separately specifically in conjunction with upper, and can be used in other combination or they self combination, and do not depart from the scope of the present invention.
Accompanying drawing explanation
One exemplary embodiment of the present invention illustrates in the accompanying drawings, and is described in detail below.In accompanying drawing:
Fig. 1 shows the partial cross section side view according to the double-screw bolt of the embodiment of the present invention;
The view of the double-screw bolt that Fig. 2 shows Fig. 1 from seeing above; And
Fig. 3 show workpiece be welded on workpiece according to the fixed and arranged of the double-screw bolt of Fig. 1 and 2.
The specific embodiment
According to 10 expressions in Fig. 1 and 2 conventionally of the double-screw bolt of the embodiment of the present invention.
Double-screw bolt 10 has screw rod 12, and flange 14 is connected with it in the axial direction.Annular section 16 is adpting flange 14 in the axial direction, at the interior groove 17 that ring section is set of annular section 16.
The longitudinal axis of double-screw bolt 10 illustrates with 18.
Forward annular surface 19 is formed on the front end of annular section 16.Groove 17 extends to flange 14 from anterior annular surface 19.
Generally, flange 14 and annular section 16 form head 20, and its exterior circumferential has polygonal shape 22, is octagon-shaped under present case.
The ratio of the axial length F of flange 14 and the axial length K of head 20, in 3/10 to 5/10 scope, current in the situation that, is about in 4.5/10 scope.
The ratio of the inside diameter A of groove 17 and the outer dia D of head 20 is in 5/10 to 8/10 scope, preferably in 6/10 to 7/10 scope.
The ratio of the axial length K of head 20 and the total length L of double-screw bolt 10 is in 1/10 to 4/10 scope, preferably in 1.5/10 to 3/10 scope.Under present case, this ratio is about 2/10.
Extend diametrically on forward annular surface 19.The inner periphery of annular section 16 is annular design on cross section.
Fig. 3 shows according to fixed and arranged 30 of the present invention, and described fixed and arranged 30 has the double-screw bolt 10 of Fig. 1 and 2 shown type, and described double-screw bolt 10 is welded on workpiece 32.Workpiece 32 is sheet metals, preferably by the material identical with double-screw bolt 10 or with the similar material of double-screw bolt 10, manufactures.Workpiece 32 has thickness W, and it is less than 1.0mm, is particularly less than 0.8mm.Under present case, thickness W is about 0.6mm.
As being schematically shown of Fig. 3, double-screw bolt 10 is suitable for fixed plastics retaining element or clip 34, as be known in the art.Clip 34 for example can comprise the holder 36 for parts 38.Parts 38 can be for example cable or cable trough, braking pipeline or burning line.
In the case, clip 34 is supported on flange 14 towards the side of screw rod 12, as shown in Figure 3.
In automobile technical field, clip 34 is fixed to double-screw bolt 10 conventionally in " assembly area ".In the case, produce the body housing of automobile, and comprised that the workpiece 32 of double-screw bolt 10 sprays paint conventionally, thereby can carry out necessary connection.Double-screw bolt 10 is welded in advance on workpiece 32 under " body white states " (body-in-white phase).
Just after body white states and before further processing step, preferred detection whether being welded to connect between double-screw bolt 10 and workpiece 32 has enough intensity.
In the case, during body white states or before assembling stage, by means of instrument 40, the torque T about longitudinal axis 18 is acted on to (as being schematically shown in Fig. 3) on double-screw bolt 10.In this technique, instrument 40 acts on to be provided on the head of polygonal shape 20.The torque T applying is in the case predetermined moment of torsion, and the double-screw bolt 10 that is suitably welded to workpiece 32 can bear and not damage and be welded to connect and/or double-screw bolt 10.
In addition, provide suitable holder, the polygonal shape of head 14 can make installing component or plastics retaining element (clip 34) can act on this polygonal shape 22, to allow anti-rotational locking or the adjustment on tram.
Double-screw bolt 10 can generally be used conventionally.It can provide or not provide the working of plastics (for example, double-screw bolt 10 is to the welding of workpiece, and wherein plastics retaining element has been pre-assembled on double-screw bolt 10, as advantage, for example, fixes in bottom) of prepackage.
In this embodiment, it should be noted in the discussion above that and guarantee that pre-assembled plastics retaining element freely leaves at least a portion of the polygonal shape 22 of head 20, to still can apply test torque under body white states.
In addition, double-screw bolt 10 not can be soldered on workpiece 32, as mentioned above in the situation that there is no pre-assembled working of plastics yet.Then plastics retaining element such as clip 34 can be fixed on this, for example, and in assembly area.
Double-screw bolt 10 is preferably by the arc welding with arcing.In this technique, annular surface 19 is set in downwards on workpiece 32.Then switch pilot current.Then double-screw bolt 10 rises from workpiece 32 again, in this process, strikes electric arc.If needed, be switched to cleaning electric current (non-absolute demand) thereafter.Finally, be transformed into the welding current that is significantly higher than pilot current, its energy is enough, so that the corresponding match surface on fusing forward annular surface 19 and workpiece 32.Finally, double-screw bolt 10 drops on workpiece 32 again, and in this process, molten bath clinkering together.Then turn off welding current.The weld pool solidifies completing, and double-screw bolt 10 integrated connections are to workpiece 32.
Although one exemplary embodiment of the present invention has illustrated and has described, but those skilled in the art should be understood that, without departing from the principles and spirit of the present invention, can change, its circumscription is in claims and equivalent thereof.
Claims (15)
1. the double-screw bolt for stud welding (10), comprising: screw rod (12); Axial adpting flange (14), it is radially outstanding with respect to this screw rod (12), and its exterior circumferential designs for polygon, to can apply test torque (T) to this screw rod (10) by means of instrument (40); And annular section (16), it axially connects this flange (14), and the face of weld that annular surface (19) is designed to be welded to workpiece (32) is radially extended in its front portion, wherein this annular section (16) directly connects this flange (14), and this annular section (16) forms the head (20) all with consistent outer dia (D) with this flange (14), and wherein this polygonal shape (22) of this flange (14) extends in this annular section (16) above until its forward annular surface (19).
2. double-screw bolt according to claim 1, wherein double-screw bolt (10) is made by a metal,
3. double-screw bolt according to claim 2, wherein said metal is steel.
4. double-screw bolt according to claim 1 and 2, wherein this double-screw bolt (10) is produced by process for cold stamping shaping.
5. the double-screw bolt described in one of them according to claim 1 to 2, wherein this screw rod (12) has screw thread (24).
6. the double-screw bolt described in one of them according to claim 1 to 2, wherein this polygonal shape (22) is octagon-shaped (22).
7. the double-screw bolt described in one of them according to claim 1 to 2, wherein the ratio ranges of the axial length (K) of this head (20) and the outer dia (D) of this head (20) is 1/7 to 3/4.
8. the double-screw bolt described in one of them according to claim 1 to 2, wherein the ratio ranges of the axial length (F) of this flange (14) and the axial length (K) of this head (20) is 3/10 to 5/10.
9. the double-screw bolt described in one of them according to claim 1 to 2, wherein the ratio of this axial length (F) of this flange (14) and this axial length (K) of this head (20) is for being less than 5/10.
10. a fixed and arranged (30) that there is workpiece (32) and be welded to the double-screw bolt (10) of this workpiece (32), wherein the thickness (W) of this workpiece (32) is for being less than 1mm, and wherein this double-screw bolt is the double-screw bolt (10) of claim 1 to 9 described in one of them.
11. fixed and arranged according to claim 10 (30), described thickness (W) is for being less than 0.8mm.
12. 1 kinds of welding screws (10) are to workpiece (32) and detect the method that this is welded to connect intensity, comprise the steps:
-provide as the double-screw bolt (10) of claim 1 to 9 as described in one of them;
-weld this double-screw bolt (10) to this workpiece (32); And
-fastening means (40) arrives the head (20) of this double-screw bolt (10), and applies predetermined moment of torsion (T), the intensity being welded to connect to detect this to this double-screw bolt (10).
13. methods according to claim 12, wherein said welding is arcing stud welding.
14. 1 kinds for being welded to the purposes of the double-screw bolt as described in one of claim 1 to 9 (10) of workpiece (32), and the thickness (W) of this workpiece (32) is less than 1mm.
15. purposes according to claim 14, wherein the thickness (W) of this workpiece (32) is less than 0.8mm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008033373A DE102008033373A1 (en) | 2008-07-09 | 2008-07-09 | Stud for stud welding |
| DE102008033373.5 | 2008-07-09 | ||
| PCT/US2009/050047 WO2010006124A1 (en) | 2008-07-09 | 2009-07-09 | Stud for stud welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102089110A CN102089110A (en) | 2011-06-08 |
| CN102089110B true CN102089110B (en) | 2014-04-09 |
Family
ID=41507432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980126350.XA Active CN102089110B (en) | 2008-07-09 | 2009-07-09 | Stud for stud welding |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP2178670B1 (en) |
| JP (1) | JP5580820B2 (en) |
| KR (1) | KR101600116B1 (en) |
| CN (1) | CN102089110B (en) |
| AT (1) | ATE523282T1 (en) |
| BR (1) | BRPI0915501A2 (en) |
| DE (2) | DE202008017727U1 (en) |
| ES (1) | ES2370596T3 (en) |
| WO (1) | WO2010006124A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012022372A1 (en) | 2012-11-15 | 2013-08-01 | Daimler Ag | Welding stud for motor vehicle chassis, has welding stud portion that is welded with associated counterpart over annular bonding surface which is provided at front end and is set with specific outer diameter |
| EP3017903B1 (en) * | 2013-07-02 | 2023-07-12 | Shoji Aoyama | Projection bolt welding method |
| KR101598190B1 (en) * | 2015-04-22 | 2016-02-26 | 전하철 | Fixture equipment assembled by hitting |
| KR101836195B1 (en) * | 2016-12-19 | 2018-03-08 | 주식회사 신영 | Stud electrode module for stud spot welding and apparatus for suppling the same |
| CN111766148B (en) * | 2020-07-15 | 2022-12-30 | 兰州交通大学 | Tensile test testing device and testing method for stud welding heads with different diameters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597573A (en) * | 1970-01-02 | 1971-08-03 | Warren Fastener Corp | Welding stud and ferrule-stud assemblies |
| US5207588A (en) * | 1980-02-02 | 1993-05-04 | Multifastener Corporation | Electrical grounding stud |
| WO2004033923A2 (en) * | 2002-10-07 | 2004-04-22 | Newfrey Llc | Break away fastening system |
| DE102004054675A1 (en) * | 2004-11-12 | 2006-05-18 | Bayerische Motoren Werke Ag | Welded stud`s position and rigidity testing device for vehicle components, has position testing attachment testing false position of stud, and turning moment testing attachment testing rigidity of welded joint |
| CN101143402A (en) * | 2007-11-08 | 2008-03-19 | 上海交通大学 | Screw plunger welding composite connecting method for adhesive joint repair |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3671710A (en) | 1970-06-17 | 1972-06-20 | John A Stephens | Welding stud and method |
| JPH0666872U (en) * | 1993-02-19 | 1994-09-20 | 川崎製鉄株式会社 | Shape of stud welded to laminated metal plate |
| IT1270169B (en) * | 1994-06-06 | 1997-04-29 | Termoplastic Fbm Srl | ELEMENT FOR THE CONNECTION OF A KITCHEN CONTAINER WITH A SOCKET ELEMENT, PRESENTING A POLYGONAL WELDING PORTION, AND PROCEDURE FOR THE REALIZATION OF THE CONNECTION ELEMENT |
| DE19611711A1 (en) | 1996-03-25 | 1997-10-02 | Emhart Inc | Arc welding process and associated studs with a tapered annular weld rim |
| EP1350286B1 (en) * | 2001-01-10 | 2010-06-02 | Newfrey LLC | Electrical capped contact stud and method of fastening an electrical contact |
| JP2005233268A (en) * | 2004-02-18 | 2005-09-02 | Toyota Motor Corp | Projection welding nut made of aluminum alloy |
| JP2006167739A (en) * | 2004-12-14 | 2006-06-29 | Nippon Stud Welding Co Ltd | Stud, and tool for applying torque to the stud |
| DE102006044379A1 (en) * | 2006-09-20 | 2008-04-03 | Ejot Gmbh & Co. Kg | Connection of a fastener made of steel with a flat component made of aluminum |
| DE102006048320A1 (en) * | 2006-10-05 | 2008-04-10 | Newfrey Llc, Newark | Bolzenhalter |
-
2008
- 2008-07-09 DE DE202008017727U patent/DE202008017727U1/en not_active Expired - Lifetime
- 2008-07-09 DE DE102008033373A patent/DE102008033373A1/en not_active Withdrawn
-
2009
- 2009-07-09 WO PCT/US2009/050047 patent/WO2010006124A1/en active Application Filing
- 2009-07-09 CN CN200980126350.XA patent/CN102089110B/en active Active
- 2009-07-09 AT AT09795164T patent/ATE523282T1/en not_active IP Right Cessation
- 2009-07-09 KR KR1020107029357A patent/KR101600116B1/en active IP Right Grant
- 2009-07-09 BR BRPI0915501-5A patent/BRPI0915501A2/en not_active IP Right Cessation
- 2009-07-09 ES ES09795164T patent/ES2370596T3/en active Active
- 2009-07-09 EP EP09795164A patent/EP2178670B1/en active Active
- 2009-07-09 JP JP2011517600A patent/JP5580820B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597573A (en) * | 1970-01-02 | 1971-08-03 | Warren Fastener Corp | Welding stud and ferrule-stud assemblies |
| US5207588A (en) * | 1980-02-02 | 1993-05-04 | Multifastener Corporation | Electrical grounding stud |
| WO2004033923A2 (en) * | 2002-10-07 | 2004-04-22 | Newfrey Llc | Break away fastening system |
| DE102004054675A1 (en) * | 2004-11-12 | 2006-05-18 | Bayerische Motoren Werke Ag | Welded stud`s position and rigidity testing device for vehicle components, has position testing attachment testing false position of stud, and turning moment testing attachment testing rigidity of welded joint |
| CN101143402A (en) * | 2007-11-08 | 2008-03-19 | 上海交通大学 | Screw plunger welding composite connecting method for adhesive joint repair |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0915501A2 (en) | 2019-11-19 |
| WO2010006124A1 (en) | 2010-01-14 |
| DE102008033373A1 (en) | 2010-04-01 |
| EP2178670A1 (en) | 2010-04-28 |
| CN102089110A (en) | 2011-06-08 |
| EP2178670B1 (en) | 2011-09-07 |
| KR101600116B1 (en) | 2016-03-04 |
| KR20110036544A (en) | 2011-04-07 |
| EP2178670A4 (en) | 2010-08-25 |
| JP5580820B2 (en) | 2014-08-27 |
| DE202008017727U1 (en) | 2010-05-27 |
| JP2011527738A (en) | 2011-11-04 |
| ES2370596T3 (en) | 2011-12-20 |
| ATE523282T1 (en) | 2011-09-15 |
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